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RECRUITING Phase 1 / Phase 2 ClinicalTrials.gov

DFT383 in Pediatric Participants With Nephropathic Cystinosis

Sponsor: Novartis Pharmaceuticals • ClinicalTrials.gov ID: NCT06910813

Registry updated: 2026-10-16
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Description

An open-label, multi-center, phase I/II study to assess the safety, tolerability and efficacy of DFT383 in pediatric participants with nephropathic cystinosis, followed by a long-term extension phase. The purpose of this clinical study is to assess safety, tolerability, and efficacy of DFT383 in participants aged 2 to 5 years with nephropathic cystinosis. The study consists of a Core Phase and a long-term Extension Phase. DFT383 is a cellular gene therapy. This study includes an active arm (Cohort 1) of participants treated with study treatment DFT383 and a concurrent reference arm (Cohort 0). Participants in Cohort 0 will not receive study treatment and will only participate in the Core Phase of the study. The study is not randomized and Cohort 0 aims to collect prospective and concurrent data in this rare disease.

Interventions

  • DFT383 (Genetic)
    DFT383 is an autologous hematopoietic stem cell (HSC) gene therapy.

Eligibility criteria

Key Inclusion Criteria: Participants eligible for inclusion in this study must meet all the following criteria: 1. Informed consent in writing from parent(s) or legal guardian(s) must be provided 2. 2 to 5 years of age (including 5 years and 364 days old) at Screening 3. Weight-for-stature is ≥ the third percentile, and is ≥ 10 kg 4. Oral cysteamine therapy for at least 6 months 5. Historic clinical diagnosis of nephropathic cystinosis 6. Laboratory evidence of of renal fanconi syndrome (RFS) 7. Relatively preserved kidney function (eGFR ≥ 60mL/min/1.73m2) 8. Received all age-appropriate vaccinations Key exclusion Criteria for Cohort 1 and 0 1. A history of kidney transplantation 2. A prior or planned bone marrow or stem cell transplantation or prior treatment with gene therapy 3. History of malignancy 4. A severe or uncontrolled medical disorder 5. Major surgery within 90 days Additional Key exclusion criteria for Cohort 1 - The following exclusion criterion applies to Cohort 1 only as it is related to DFT383 treatment: 1\. Indomethacin within 2 weeks prior to Screening Other protocol-defined inclusion/exclusion criteria may apply.

Conditions

Nephropathic Cystinosis

Locations

  • Phoenix Children's Hospital (Recruiting Cohort 0 and 1) — Phoenix, Arizona, United States
  • University of California at San Diego - Rady Children's Hospital (Recruiting Cohort 0 and 1) — San Diego, California, United States
  • Stanford University - Stanford Children's Health (Recruiting Cohort 0 and 1) — Stanford, California, United States
  • Emory University School of Medicine - Children's Healthcare of Atlanta (recuiting Cohort 0) — Atlanta, Georgia, United States
  • Children's Hospital of Philadelphia (Recruiting Cohort 0) — Philadelphia, Pennsylvania, United States
  • Baylor College of Medicine - Texas Children's Hospital (recuiting Cohort 0) — Houston, Texas, United States
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record